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Kobotan [32]
3 years ago
15

What is the area of a triangle with base 12.5 m and height 2.4 m

Mathematics
2 answers:
nata0808 [166]3 years ago
4 0
12.5 x 2.4= 30
30/2 = 15
15 meters squared
BaLLatris [955]3 years ago
3 0
A = 1/2 (b x h)
A = 1/2(12.5 x 2.4)
A = 1/2(30)
A = 15

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Step-by-step explanation:

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3 years ago
F(x+h) = (x+h)² + 3(x+h)^3<br><br> How would I distribute this?
Leno4ka [110]

Answer:

f(x + h) = 3x³ + x² + 9h²x + 3h³ + h² + 9hx² + 2hx

General Formulas and Concepts:

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  • Expand by FOIL (First Outside Inside Last)
  • Combining like terms

Step-by-step explanation:

<u>Step 1: Define function</u>

f(x) = x² + 3x³

f(x + h) is x = x + h

<u>Step 2: Simplify</u>

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  2. Expand by FOILing:               f(x + h) = (x² + 2hx + h²) + 3(x + h)³
  3. Rewrite:                                  f(x + h) = (x² + 2hx + h²) + 3(x + h)²(x + h)
  4. Expand by FOILing:               f(x + h) = (x²+2hx+h²) + 3(x² + 2hx + h²)(x+h)
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  6. Distribute 3:                            f(x + h) = (x²+2hx+h²)+(3x³+9hx²+9h²x+3h³)
  7. Combine like terms:               f(x + h) = 3x³+x²+9h²x+3h³+h²+9hx²+2hx
3 0
3 years ago
Write the equation in slope form intercept m=-2(3,-1)
Lapatulllka [165]

Answer:

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Step-by-step explanation:

Find b using the m and (3, -1) given by plugging them into y = mx + b

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5 = b

plub in m and b into y = mx + b

y = -2x + 5

5 0
3 years ago
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